Home / 6,783.73-9,359.66-4,129.25

Finding the Fourth Proportional to 6,783.73, 9,359.66 and 4,129.25

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Solution

The fourth proportional to 6,783.73, 9,359.66 and 4,129.25 is: 5,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.73 : 9,359.66 = 4,129.25 : x
  2. Step 2: Convert to fraction form
    6,783.73/9,359.66 = 4,129.25/x
  3. Step 3: Cross multiply
    6,783.73x = 9,359.66 × 4,129.25
  4. Step 4: Simplify right side
    6,783.73x = 38,648,339.58
  5. Step 5: Solve for x
    x = 38,648,339.58/6,783.73
  6. Step 6: Final answer
    x = 5,697.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.